/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.transforms.join;



// TODO: Think about making this a complete dynamic union by adding

// a schema.  Type would then be defined by the corresponding schema entry.



import javax.annotation.Nullable;



/**

 * This corresponds to an integer union tag and value. The mapping of union tag to type must come

 * from elsewhere.

 */

public class RawUnionValue {

  private final int unionTag;

  @Nullable

  private final Object value;



  /** Constructs a partial union from the given union tag and value. */

  public RawUnionValue(int unionTag, @Nullable Object value) {

    this.unionTag = unionTag;

    this.value = value;

  }



  public int getUnionTag() {

    return unionTag;

  }



  @Nullable

  public Object getValue() {

    return value;

  }



  @Override

  public String toString() {

    return unionTag + ":" + value;

  }



  @Override

  public boolean equals(Object o) {

    if (this == o) {

      return true;

    }

    if (o == null || getClass() != o.getClass()) {

      return false;

    }



    RawUnionValue that = (RawUnionValue) o;



    if (unionTag != that.unionTag) {

      return false;

    }

    return value != null ? value.equals(that.value) : that.value == null;

  }



  @Override

  public int hashCode() {

    int result = unionTag;

    result = 31 * result + (value != null ? value.hashCode() : 0);

    return result;

  }

}